It has been found that the corrosion resistance of Fe-based amorphous-metal alloys can be improved dramatically through additions of chromium, molybdenum, and tungsten. The addition of yttrium lowers the critical cooling rate of these materials, but complicates the gas atomization process. High concentrations of boron enable these alloys to serve as effective neutron absorbers for criticality control applications. Since these alloys are Fe-based, any substitution of these for Ni-based alloys in the storage of spent nuclear fuel (SNF) applications could result in significant cost savings. Large quantities of amorphous alloy powders have now been successfully produced in multi-ton quantities with gas atomization, and applied to several half-scale SNF containers and criticality control (basket) structures with the high-velocity oxy-fuel (HVOF) thermal spray process. Corrosion rates determined with linear polarization in a variety of repository-relevant brines, and the results of recent salt fog testing of large-scale prototypes are presented.
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ASME 2007 Pressure Vessels and Piping Conference
July 22–26, 2007
San Antonio, Texas, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4285-1
PROCEEDINGS PAPER
High Performance Coatings for Spent Fuel Containers and Components
J. C. Farmer,
J. C. Farmer
Lawrence Livermore National Laboratory, Livermore, CA
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J.-S. Choi,
J.-S. Choi
Lawrence Livermore National Laboratory, Livermore, CA
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S. D. Day,
S. D. Day
Lawrence Livermore National Laboratory, Livermore, CA
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T. Lian,
T. Lian
Lawrence Livermore National Laboratory, Livermore, CA
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P. D. Hailey
P. D. Hailey
Lawrence Livermore National Laboratory, Livermore, CA
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J. C. Farmer
Lawrence Livermore National Laboratory, Livermore, CA
J.-S. Choi
Lawrence Livermore National Laboratory, Livermore, CA
S. D. Day
Lawrence Livermore National Laboratory, Livermore, CA
T. Lian
Lawrence Livermore National Laboratory, Livermore, CA
P. D. Hailey
Lawrence Livermore National Laboratory, Livermore, CA
Paper No:
PVP2007-26758, pp. 539-544; 6 pages
Published Online:
August 20, 2009
Citation
Farmer, JC, Choi, J, Day, SD, Lian, T, & Hailey, PD. "High Performance Coatings for Spent Fuel Containers and Components." Proceedings of the ASME 2007 Pressure Vessels and Piping Conference. Volume 7: Operations, Applications and Components. San Antonio, Texas, USA. July 22–26, 2007. pp. 539-544. ASME. https://doi.org/10.1115/PVP2007-26758
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